Figure 4. Attachment of filamentous algae to the surface of the coating.
Figure 5. Microorganisms on the surface of the coating including Diatoms,
after 1 months exposure.
Figure 6. Bacterial filamentous growth from within the new concrete matrix.
after 1 months exposure.
Figure 8. Algae penetrating through the coating (arrowed).
Figure 7. Bacterial filamentous growth from within the concrete matrix.
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